Tag: EEG

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Using the Mismatch Negativity (MMN) to Evaluate Split Processing in Hearing Aids

Mismatch negativity (MMN) is a well-documented brain signal that appears in the electroencephalogram (EEG) when the auditory system detects an unexpected sound. More recently, the MMN (which doesn’t require the listener’s active participation) has been used to determine if different hearing aid features support or augment a listener’s tracking of changing speech sounds from a single voice out of many. This study shows that the Signia Augmented Xperience (AX) platform and its Augmented Focus (AF) system—which splits the incoming sound into two separate signal streams—increases the contrast between sounds in a “cocktail party”-type setting and enhances listeners’ tracking of changing phonemes. Further, the results suggest the behavioral advantages are probably bottom-up in nature, meaning that AF also likely reduces the effort/fatigue experienced by the wearer when trying to communicate in noisy environments.

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63rd International EUHA Congress to Take Place October 17-19, 2018 in Hannover

The main topic of the 2018 EUHA Congress is “digitalization,” and all presentations will be available in both German and English. In addition to the lecture program, more than 130 exhibitors will be showcasing their latest technologies and innovative products in the fields of diagnostics, accessories, and design at the accompanying trade exhibition.

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